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Cisco Catalyst SD-WAN hardening release addresses improper link resolution before file access

Last refreshed2026-09-30

Status: NEW  |  Advisory ID: CVE-2026-20313

Key Details

CVECVE-2026-20313
CVSS Score / Version7.7 (High) / CVSS v3.1
Updated2026-08-14
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is none; integrity impact is none; availability impact is high.
Classified asCWE-1284 (Improper Validation of Specified Quantity in Input)

What to Know

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284. (NVD)

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-20313
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-20313